Details on Delta State University Shooting Suspect Emerge

Shannon Lamb is suspected of killing history professor Ethan Schmidt in his office at the Mississippi campus before fatally shooting himself.
1:40 | 09/15/15

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Transcript for Details on Delta State University Shooting Suspect Emerge
Amy, you have that gripping story. Class canceled for a second day after a professor was killed in his office. And a manhunt for a university employee who shot and killed that history professor is thankfully over this morning. The suspect is also accused of killing a woman hundreds of miles away. The big question is why? ABC's Steve osunsami has been tracking this story for us. Good morning, clear front-runner, but the more traditional candidates like Scott walker and Jeb bush were not far behind. Now trump is therohibitive front-runner. The only one close is another outsider, baren son, establishment candidates, the senator, governors on the verge disappearing. Those he that bacf O phe tkacwi E bll lngooki for a br hreakt mghtouenomn ihi ts de bate and the surest way to a breakthrough moment is going to be picking a fight with the front-runner, Donald Trump. Create that rontation. We know trump has been going also took on Carly fiorin in that "Rolling be onto stage for the fight. That's going toe B on interesting subplots in the debate. The first tmp timru H hasad a woman T onleheab W THIT H aim one he has fought with vigorously. Fiorina has sf. We didn't want it to happen this way. He made that decision. Reporter: Police say lamb is also a suspect in an earlier killing nearly five hours south near biloxi. They say that victim is 41-year-old Amy Prentiss and say the two were romantically involved and lived together and he called them to report that killing and told them he wasn't going to jail. Currently sharing no motive for either shooting. They're calling that second victim his girlfriend. There is a vigil scheduled on the campus tonight. Amy. All right, Steve osunsami, thanks for the latest on that.

This transcript has been automatically generated and may not be 100% accurate.

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